Valves
HP Automation Safety: Safety equipment qualification
During a functional safety assessment of a packaged equipment manufacturer, the issue of instrumentation equipment qualification came up on the audit checklist. The IEC 61511 standard requires that al..
Pilot-operated safety relief valves: A simple, effective plant upgrade
Replacing spring-loaded valves can help increase efficiency and output
HP Automation Safety: Are you a lawyer or an engineer?
Have you ever questioned some legal decision? I have certainly wondered about the logic behind certain legal cases. When I read the “warning labels” on certain products, for example, I reall..
Control-valve seat leakage
Enhancing initial performance, extending service life of valves offers benefits
Consider life-cycle costs in specifying control valves
Latest approach improves sizing valves while also incorporating total ownership investment
Seal off costly refinery leaks
Older refinery seeks better method to be leak-free
Avoid costly engineering faults, missteps and miscalculations
Experience does count, especially in achieving success in capital and revamp projects
Optimize cracked-gas compressors with smart-automation technology
Machine health monitors can provide critical information to avoid unit and plant-wide shutdowns
Circumvent design issues when adding new hydrotreating units
Follow these guidelines for substantial capital cost savings with existing flare systems
HP Control: Inferential control model input selection
It is not a secret that I prefer to base inferential models on engineering principles, rather than on regression. Having said that, the use of regression is widespread, and being a consultant in the f..
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